diff --git a/pkg/controller/sidecarset/sidecarset_pod_event_handler.go b/pkg/controller/sidecarset/sidecarset_pod_event_handler.go
index 5ac457e67e..cc7f1c8acb 100644
--- a/pkg/controller/sidecarset/sidecarset_pod_event_handler.go
+++ b/pkg/controller/sidecarset/sidecarset_pod_event_handler.go
@@ -96,7 +96,6 @@ func (p *enqueueRequestForPod) updatePod(q workqueue.RateLimitingInterface, old,
 		return
 	}
 	for _, sidecarSet := range matchedSidecarSets {
-		sidecarcontrol.UpdateExpectations.ObserveUpdated(sidecarSet.Name, sidecarcontrol.GetSidecarSetRevision(sidecarSet), newPod)
 		if sidecarSet.Spec.UpdateStrategy.Type == appsv1alpha1.NotUpdateSidecarSetStrategyType {
 			continue
 		}